Exclusion Criteria:any woman with prior rupture of membranes, diabetes mellitus, gestational diabetes, any woman receiving sedation; medication such as Demerol, magnesium sulfate or general anesthesia, any woman who has a known drug history, any known macrosomia, known congenital anomalies or meconium stained fluid. We will also excluded any woman with maternal fever, chorioamnionitis, severe neonatal distress, obviously compromised infant at delivery, oligohydramnios or history of antenatal steroids.